[Present and future of valve replacement].
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Biomedical subjects
Publications and source records attributed to E Buffolo.
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BACKGROUND: The recent study of the variations of the origin of the sinoatrial node and on the "arterial network of the perinodal sinusal area" in normal hearts points out the importance of this network. PURPOSE: Report on a case of patient with syncope of ischemic etiology. CONCLUSION: In this patient the arterial network did not protect the node from the ischemia caused by the obstruction of the artery of the sinoatrial node.
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